Take this Chapter 1 quiz to find out now. T or F? Energy -> Photosynthesis. General Biology I: Exam 1. biology (n) scientific study of life. False. Partial hydrogen as the negative logarithm of H+ ion concentration in the solution: pH = - log [H+], Because pH scale is logarithmic, a difference of H+ + OH- of 1 on the scale is actually a, Any substance that dissociates in H2O to increase the [H+] and decrease the pH. STUDY. Typically a carbon atom bonded to four different atoms or molecules. Important to DNA and protein structure. The text book used is the 5th edition of Biology: include membrane-bounded structures that form compartments within which multiple biochemical processes can proceed simultaneously and independently. Tay-Sachs disease: caused by loss of function of a single lysosomal enzyme necessary t breakdown a membrane glycoplipid found in nerve cells. False. Rate of Diffusion is affected by the following variables, Rate of transport through membrane depends on. As cell size increases, volume increases much more rapidly than it's SA. Coaching Institutes; Exam Categories ... Free Online GENERAL BIOLOGY Practice & Preparation Tests. 2 pages. The saturated hydrocarbons, covalently attached to glycerol at both ends: monolayer membrane (cause for > thermal stability) is difficult to alter the degree of saturation of hydrocarbons. "universal organelles" - found in all cell types from all 3 domains of life. To make room for newly formed organelles, lysosomes, break down old organelles and recycle their component molecules, Digestive enzymes in lysosome are optimally active at. Community. Ribosomes are present in animal cells only. How is this different from natural selection? Atoms: Angstroms 1 tenth of nanometer (1x10^-10m). Plant cells do not have a cell wall. -So the surface area and volume of them can be proportional to each other. The antibodies are generated in animals such as mice or rabbits. central framework with 8-fold symmetry that is embedded in nuclear envelope. True or False? General Biology 101 FINAL EXAM *I am learning a new web editor "on the fly" so please bear with the odd numbering and changes. 4 major features all cells have in common, Any discrete macromolecular structure in the cytoplasm specialized for a particular function, Part of cytoplasm that contains organic molecules and ions in solution, encloses a cell and separates its contents from its surroundings, Proteins of plasma membrane generally responsible for, Cells ability to interact with environment, Help molecules and ions move across plasma membrane. Try your luck at this General Biology Module 1 test and see just how smart you are! Composed of single-celled organisms (prokaryotes) with little internal structure. controlled & consists mainly of import of proteins that function in the nucleus and the export to the cytoplasm of RNA and RNA-protein complexes formed in the nucleus, network of fibers that cover inner surface of nuclear envelope, intermediate filament fibers called nuclear lamins. Ecosystem . What types of bonds are present between nitrogenous bases in DNA? Explains how new species would arise. 8-10nm in diameter - between size of actin filaments and microtubules, barrel-shaped organelles found in cells of animals and most protists, region surrounding pair of centrioles in almost all animal cells. T or F? Vacuoles are prominent in both animal and plant cells. No nuclei. 2 negative and 2 positive charges are approx. What % Of all Species That Have Ever Existed Are Extinct? Only way 2 light beams can get closer together and still be resolved is if, has 1,000x the resolving power of a light microscope, electrons used to visualize specimens are transmitted through the material and capable of resolving objects only 0.2nm apart (twice diameter of H atom). Diffusion of substances into and out of them. Extremophiles. Cell theory, molecular basis of inheritance, relationship between structure and function, evolution, emergence of novel properties. all organisms consist of one or more cells. Start studying General Biology Exam #1. Learn vocabulary, terms, and more with flashcards, games, and other study tools. One or more vacuoles may be present. Electronegative N can hook up to extra P but would give it a positive charge. General Biology 1 - Test 1. i. atoms molecules cell tissue organ organ system organism population community ecosystem biosphere. In the plant cell, the cytoplasm is pushed to the periphery of the cell and it forms a thin lining against cell wall.